Ana tiene una librería, ella obtiene $5 de ganancia por cada libro que vende y sus gastos mensuales de funcionamiento son de $200, ¿cuál es el mínimo número de libros que se debe vender?

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.